1 files changed, 28 insertions, 13 deletions

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index fa849831d099..8d04752777a8 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -35,7 +35,7 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
 #else
 #define DRIVERNAPI "-NAPI"
 #endif
-#define DRV_VERSION "7.2.9-k2"DRIVERNAPI
+#define DRV_VERSION "7.2.9-k4"DRIVERNAPI
 char e1000_driver_version[] = DRV_VERSION;
 static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -699,7 +699,10 @@ e1000_reset(struct e1000_adapter *adapter)
                                     phy_data);
         }
 
-        if ((adapter->en_mng_pt) && (adapter->hw.mac_type < e1000_82571)) {
+        if ((adapter->en_mng_pt) &&
+            (adapter->hw.mac_type >= e1000_82540) &&
+            (adapter->hw.mac_type < e1000_82571) &&
+            (adapter->hw.media_type == e1000_media_type_copper)) {
                 manc = E1000_READ_REG(&adapter->hw, MANC);
                 manc |= (E1000_MANC_ARP_EN | E1000_MANC_EN_MNG2HOST);
                 E1000_WRITE_REG(&adapter->hw, MANC, manc);
@@ -1076,8 +1079,9 @@ e1000_remove(struct pci_dev *pdev)
 
         flush_scheduled_work();
 
-        if (adapter->hw.mac_type < e1000_82571 &&
-           adapter->hw.media_type == e1000_media_type_copper) {
+        if (adapter->hw.mac_type >= e1000_82540 &&
+            adapter->hw.mac_type < e1000_82571 &&
+            adapter->hw.media_type == e1000_media_type_copper) {
                 manc = E1000_READ_REG(&adapter->hw, MANC);
                 if (manc & E1000_MANC_SMBUS_EN) {
                         manc |= E1000_MANC_ARP_EN;
@@ -1804,9 +1808,11 @@ e1000_setup_rctl(struct e1000_adapter *adapter)
          * followed by the page buffers.  Therefore, skb->data is
          * sized to hold the largest protocol header.
          */
+        /* allocations using alloc_page take too long for regular MTU
+         * so only enable packet split for jumbo frames */
         pages = PAGE_USE_COUNT(adapter->netdev->mtu);
-        if ((adapter->hw.mac_type > e1000_82547_rev_2) && (pages <= 3) &&
-            PAGE_SIZE <= 16384)
+        if ((adapter->hw.mac_type >= e1000_82571) && (pages <= 3) &&
+            PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE))
                 adapter->rx_ps_pages = pages;
         else
                 adapter->rx_ps_pages = 0;
@@ -2986,6 +2992,11 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                 return NETDEV_TX_OK;
         }
 
+        /* 82571 and newer doesn't need the workaround that limited descriptor
+         * length to 4kB */
+        if (adapter->hw.mac_type >= e1000_82571)
+                max_per_txd = 8192;
+
 #ifdef NETIF_F_TSO
         mss = skb_shinfo(skb)->gso_size;
         /* The controller does a simple calculation to
@@ -3775,9 +3786,6 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
 
                 length = le16_to_cpu(rx_desc->length);
 
-                /* adjust length to remove Ethernet CRC */
-                length -= 4;
-
                 if (unlikely(!(status & E1000_RXD_STAT_EOP))) {
                         /* All receives must fit into a single buffer */
                         E1000_DBG("%s: Receive packet consumed multiple"
@@ -3805,6 +3813,10 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
                         }
                 }
 
+                /* adjust length to remove Ethernet CRC, this must be
+                 * done after the TBI_ACCEPT workaround above */
+                length -= 4;
+
                 /* code added for copybreak, this should improve
                  * performance for small packets with large amounts
                  * of reassembly being done in the stack */
@@ -4773,8 +4785,9 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
                 pci_enable_wake(pdev, PCI_D3cold, 0);
         }
 
-        if (adapter->hw.mac_type < e1000_82571 &&
-           adapter->hw.media_type == e1000_media_type_copper) {
+        if (adapter->hw.mac_type >= e1000_82540 &&
+            adapter->hw.mac_type < e1000_82571 &&
+            adapter->hw.media_type == e1000_media_type_copper) {
                 manc = E1000_READ_REG(&adapter->hw, MANC);
                 if (manc & E1000_MANC_SMBUS_EN) {
                         manc |= E1000_MANC_ARP_EN;
@@ -4825,8 +4838,9 @@ e1000_resume(struct pci_dev *pdev)
 
         netif_device_attach(netdev);
 
-        if (adapter->hw.mac_type < e1000_82571 &&
-           adapter->hw.media_type == e1000_media_type_copper) {
+        if (adapter->hw.mac_type >= e1000_82540 &&
+            adapter->hw.mac_type < e1000_82571 &&
+            adapter->hw.media_type == e1000_media_type_copper) {
                 manc = E1000_READ_REG(&adapter->hw, MANC);
                 manc &= ~(E1000_MANC_ARP_EN);
                 E1000_WRITE_REG(&adapter->hw, MANC, manc);
@@ -4944,6 +4958,7 @@ static void e1000_io_resume(struct pci_dev *pdev)
         netif_device_attach(netdev);
 
         if (adapter->hw.mac_type >= e1000_82540 &&
+            adapter->hw.mac_type < e1000_82571 &&
             adapter->hw.media_type == e1000_media_type_copper) {
                 manc = E1000_READ_REG(&adapter->hw, MANC);
                 manc &= ~(E1000_MANC_ARP_EN);